Home / 91,118.48-136,686.22-34,177.21

Finding the Fourth Proportional to 91,118.48, 136,686.22 and 34,177.21

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Solution

The fourth proportional to 91,118.48, 136,686.22 and 34,177.21 is: 51,269.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,118.48 : 136,686.22 = 34,177.21 : x
  2. Step 2: Convert to fraction form
    91,118.48/136,686.22 = 34,177.21/x
  3. Step 3: Cross multiply
    91,118.48x = 136,686.22 × 34,177.21
  4. Step 4: Simplify right side
    91,118.48x = 4,671,553,217.89
  5. Step 5: Solve for x
    x = 4,671,553,217.89/91,118.48
  6. Step 6: Final answer
    x = 51,269.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.